Method and equipment for determining iot service, and method and equipment for controlling iot service behavior

ABSTRACT

The present invention provides a method for determining an IOT service, comprising the following steps of: acquiring, by a first node, IOT capacity information and/or IOT preference information from a second node; and, determining, by the first node, an IOT behavior of a UE according to the acquired IOT capacity information and/or IOT preference information. The present application further discloses a corresponding equipment for determining an IOT service. The present application further discloses a method and equipment for controlling an IOT service behavior, and a method and equipment for selecting a core network node. With the present application, the overhead for signaling resources can be effectively reduced, and the utilization ratio of resources can be improved.

CROSS-REFERENCE TO RELATED APPLICATIONS AND CLAIM OF PRIORITY

This application is a 371 of International Application No.PCT/KR2017/000372 filed on Jan. 11, 2017, which claims priority toChinese Patent Application No. 201610016970.X filed on Jan. 11, 2016,the disclosures of which are herein incorporated by reference in theirentirety.

BACKGROUND 1. Field

The present invention relates to the radio communication technology, andin particular to a method and equipment for determining an Internet OfThings (IOT) service, a method and equipment for controlling an IOTservice behavior, and a method and equipment for selecting a corenetwork node.

2. Description of Related Art

The modern mobile communication increasingly tends to focus onmultimedia services that provide users with high-rate transmission. FIG.1 is a system architecture diagram showing the System ArchitectureEvolution (SAE). Wherein:

A User Equipment (UE) 101 is a terminal equipment supporting a networkprotocol. An Evolved Universal Terrestrial Radio Access Network(E-UTRAN) 102 is a radio access network in which an eNodeB/NodeBproviding the UE with an interface for accessing the radio network isincluded. A Mobility Management Entity (MME) 103 is responsible formanaging a movement context, a session context and security informationfor the UE. A Serving Gateway (SGW) 104 mainly functions to provide auser plane, and the MME 103 and the SGW 104 may be in a same physicalentity. A Packet Data Network Gateway (PGW) 105 is responsible forcharging, lawful interception or more, and the PGW 105 and the SGW 104may also be in a same physical entity. A Policy and Charging RulesFunction Entity (PCRF) 106 provides Quality of Service (QoS) policy andcharging rules. A Serving GPRS Support Node (SGSN) 108 is a network nodeequipment providing routing for data transmission in a Universal MobileTelecommunication System (UMTS). A Home Subscriber Server (HSS) 109 is ahome subsystem of the UE, and is responsible for protecting userinformation comprising the current location of the UE, the address of aserving node, user security information, a packet data context of theUE, or more.

SUMMARY

At present or in the foreseeable future, there will be more and moreelectric appliances to become intelligent and accessories for daily useto be networked, all of which have a function of accessing to a network.These UEs often have the following features: static or lowly mobile; lowin cost; and, often small in volume and discontinuous in terms of thereceived or transmitted data. For these UEs, the signaling overheadgenerated by establishing a connection and releasing a connection is farhigher than the volume of the received or transmitted data. In order tosave the signaling overhead and improve the efficiency of datatransmission, there are still many problems to be solved in the existingnetworks.

In view of this, the present application provides a method and equipmentfor determining an IOT service, a method and equipment for controllingan IOT service behavior, and a method and equipment for selecting a corenetwork node, in order to effectively reduce the overhead of signalingresources and improve the utilization ratio of resources.

The present invention provides a method for determining an Internet OfThings (IOT) service, comprising the following steps of:

acquiring, by a first node, IOT capacity information and/or IOTpreference information; and

determining, by the first node, an IOT behavior of a User Equipment (UE)according to the acquired IOT capacity information and/or IOT preferenceinformation.

Preferably, the IOT capacity information and/or IOT preferenceinformation acquired by the first node comprises: the IOT capacity ofthe UE, a radio access network node and a core network node; and

the determining an IOT behavior of a UE comprises: using, by the firstnode and according to the IOT capacity of the UE, the radio accessnetwork node and the core network node, an IOT behavior supported by allof the UE, the radio access network node and the core network node as anIOT behavior of the UE.

Preferably, the IOT preference information comprises: an IOT behaviorpreferred or requested by the UE; and

the determining an IOT behavior of a UE comprises:

using, by the first node, the IOT behavior preferred or requested by theUE as an IOT behavior of the UE, when all of the UE, the radio accessnetwork node and the core network node support the IOT behaviorpreferred or requested by the UE; and

using, by the first node, at least one IOT behavior supported by all ofthe UE, the radio access network node and the core network node as anIOT behavior of the UE, when the radio access network node or the corenetwork node does not support the IOT behavior preferred or requested bythe UE.

Preferably, the method further comprises: acquiring, by the first node,IOT subscription information of the UE; and

the determining an IOT behavior of a UE comprises: using, by the firstnode and according to the IOT capacity of the UE, the radio accessnetwork node and the core network node and the IOT subscriptioninformation of the UE, an IOT behavior, which is supported by all of theUE, the radio access network node and the core network node and allowedto access by the IOT subscription information of the UE, as an IOTbehavior of the UE.

Preferably, the IOT preference information comprises: an IOT behaviorpreferred or requested by the UE; and

the determining an IOT behavior of a UE comprises:

using, by the first node, the IOT behavior preferred or requested by theUE as an IOT behavior of the UE, when all of the UE, the radio accessnetwork node and the core network node support the IOT behaviorpreferred or requested by the UE and the subscription information of theUE allows the IOT behavior preferred or requested by the UE; and

using, by the first node, at least one IOT behavior, which is supportedby all of the UE, the radio access network node and the core networknode and is allowed by the IOT subscription information of the UE, as anIOT behavior of the UE, when the radio access network node or the corenetwork node does not support the IOT behavior preferred or requested bythe UE or the IOT subscription information of the UE does not allow theIOT behavior preferred or requested by the UE.

Preferably, the IOT subscription information comprises: an allowed IOTbehavior and/or disallowed IOT behavior; and

the IOT subscription information is IOT subscription information of theUE within a current PLMN, and the IOT subscription information of the UEwithin different PLMNs is identical or different.

Preferably, the first node is a core network node, and the core networknode acquires the IOT capacity information and/or IOT preferenceinformation from at least one of the following nodes: a UE, a radioaccess network node, and a core network node other than the first node;or

the first node is a radio access network node, and the radio accessnetwork node acquires the IOT capacity information and/or IOT preferenceinformation from at least one of the following nodes: a UE, a corenetwork node, and a radio access network node other than the first node;or

the first node is a UE, and the UE acquires the IOT capacity informationand/or IOT preference information from at least one of the followingnodes: a radio access network node, a core network node, and a UE otherthan the first node.

Preferably, the method further comprises: by the first node, carryingthe determined IOT behavior of the UE in IOT service behaviorinformation of the UE and then transmitting the IOT service behaviorinformation of the UE to a third node;

when the first node is a core network node, the third node is a UEand/or a radio access network node;

when the first node is a radio access network node, the third node is aUE and/or a core network node; and

when the first node is a UE, the third node is a radio access networknode and/or a core network node.

Preferably, the IOT capacity comprises at least one of the following:IOT resource optimization capacity, IOT data transmission optimizationcapacity, IOT radio capacity, IOT core network capacity, IOT controlplane capacity, IOT user plane capacity, IOT S1-U data transmissioncapacity, IOT short-message capacity, and supported radio accesstechnology type.

Preferably, the IOT resource optimization capacity comprises at leastone of the following: IOT resource allocation, not handing over the UE,and a non-GBR bearer; and/or the IOT data transmission optimizationcomprises at least one of the following: IOT control plane datatransmission optimization capacity, IOT user plane data transmissionoptimization capacity, and IOT short-message data transmissionoptimization capacity; and/or

the IOT control plane capacity comprises at least one of the following:data transmission via a control plane, no access stratum securitycontext, allowing for no UE bearer when in a connected state, allowingto not release Uu port resources when removing all UE bearers, IOTresource allocation, not handing over the UE, and a non-Guaranteed BitRate (GBR) bearer; and/or

the IOT user plane capacity comprises at least one of the following:data transmission via a user plane, resuming to no access stratumsecurity context when a connection is established or there is datatransmission requirement, IOT resource allocation, not handing over theUE, and a non-GBR bearer; and/or

the IOT S1-U data transmission capacity is IOT user planenon-optimization data transmission capacity; and/or

the IOT short-message capacity is carrying data in a short message;and/or

the supported radio access technology type comprises at least one of thefollowing: a radio access network technology supporting an IOT only, aradio access network technology not supporting a Narrow Band Internet OfThings (NB IOT), and a radio access network technology supporting notonly an IOT.

Preferably, the IOT behavior comprises at least one of the following:access to an IOT, access to a non-IOT, IOT control plane optimization,IOT user plane optimization, IOT short-message data transmission, S1-Udata transmission, IOT resource optimization, IOT data transmissionoptimization, and accessed radio access technology type.

Preferably, IOT behaviors supported by the IOT capacity are as follows:

the capacity of non-IOT at least supports one of the following IOTbehaviors: a non-IOT resource allocation behavior, wideband resourceallocation information, access to a non-IOT radio access networktechnology, and S1-U data transmission mode;

the IOT resource optimization capacity at least supports one of thefollowing IOT behaviors: an IOT resource optimization behavior and anIOT resource allocation behavior;

the IOT data transmission optimization capacity at least supports one ofthe following IOT behaviors: IOT data transmission optimization and anIOT resource allocation behavior;

the IOT control plane capacity at least supports one of the followingIOT behaviors: IOT control plane optimization and an IOT resourceallocation behavior;

the IOT user plane capacity at least supports one of the following IOTbehaviors: IOT user plane optimization and an IOT resource allocationbehavior;

the IOT S1-U data transmission capacity at least supports one of thefollowing IOT behaviors: S1-U data transmission and an IOT resourceallocation behavior;

the IOT short-message transmission capacity at least supports one of thefollowing IOT behaviors: IOT short-message data transmission and an IOTresource allocation behavior; and

the supported radio access technology type at least supports thefollowing IOT behavior: accessed radio access technology type.

Preferably, the IOT control plane optimization comprises at least one ofthe following: data transmission via a control plane, no access stratumsecurity context, allowing for no UE bearer when in a connected state,allowing to not release Uu port resources when removing all UE bearers,IOT resource allocation, the radio access technology type being an NBIOT, not handing over the UE, allowing for a non-GBR bearer only, andrejecting a GBR bearer; and/or

the IOT user plane optimization comprises at least one of the following:data transmission via a user plane, resuming to no access stratumsecurity context when a connection is established, resuming to no accessstratum security context when there is data transmission requirement,IOT resource allocation, the radio access technology type being an NBIOT, not handing over the UE, allowing for a non-GBR bearer only, andrejecting a GBR bearer; and/or

the S1-U data transmission comprises at least one of the following: datatransmission via a user plane, IOT resource allocation, the radio accesstechnology type being an NB IOT, not handing over the UE, allowing for anon-GBR bearer only, and rejecting a GBR bearer; and/or

the IOT short-message data transmission mode comprises at least one ofthe following: data transmission via a short message, IOT resourceallocation, the radio access technology type being an NB IOT, nothanding over the UE, allowing for a non-GBR bearer only, and rejecting aGBR bearer; and/or

the IOT resource optimization comprises at least one of the following:IOT resource allocation, the radio access technology type being an NBIOT, not handing over the UE, a non-GBR bearer, and rejecting a GBRbearer; and/or

the preferentially accessed radio access network type comprises at leastone of the following: a radio access network supporting an IOT only, aradio access network not supporting an IOT, and a radio access networksupporting an IOT and others.

Preferably, the IOT service behavior information of the UE contains atleast one of the following: Public Land Mobile Network (PLMN)information, IOT behavior information, UE bearer information, anInternet Protocol (IP) header compression indication, a service type, Uuresource release information, resource allocation information, handoverinformation, access stratum security context information, and GBRinformation; and

the PLMN information refers to a list of PLMN identifiers allowed by thedetermined IOT service.

Preferably, the UE bearer information comprises at least one of thefollowing: UE bearer identifier, an IP header compression indication, aservice type, a service type, Uu resource release information, resourceallocation information, handover information, access stratum securitycontext information, and GBR information;

the IP header compression indication contains an indication of whetherto perform IP header compression or is embodied by a data type;

the service type comprises at least one of the following: whether it isan IOT, whether to perform IOT control plane optimization, and whetherto perform IOT user plane optimization;

the Uu resource release information comprises at least one of thefollowing: whether to release Uu resources, and whether to maintain a UEconnection when there is no UE bearer;

the resource allocation information comprises at least one of thefollowing: whether to allocate IOT resources, whether to allocatewideband resources, and whether to perform resource optimization;

the handover information comprises at least one of the following:whether to allow to hand over the UE;

the access stratum security context information comprises at least oneof the following: whether the access stratum security context isrequired, whether to encrypt an access stratum, and whether to encryptthe user plane; and

the GBR bearer information comprises at least one of the following: notallowing or rejecting to establish a GBR bearer, and allowing toestablish a non-GBR bearer only.

The present application further provides an equipment for determining anIOT service, comprising an information acquisition module and aprocessing module, wherein:

the information acquisition module is configured to acquire, from asecond node, IOT capacity information and/or IOT preference information;and

the processing module is configured to determine an IOT behavior of a UEaccording to the acquired IOT capacity information and/or IOT preferenceinformation.

The present application further provides a method for controlling an IOTservice behavior, comprising the following steps of:

receiving, by a third node, an IOT behavior of a UE determined by afirst node; and

performing, by the third node, a corresponding IOT service behaviorcontrol on the UE according to the IOT behavior of the UE.

Preferably, the third node is a radio access network node;

when the IOT behavior of the UE is control plane optimization, the radioaccess network node performs at least one of the following IOT controlplane optimization behavior controls:

transmitting data via a control plane;

releasing Uu when monitoring that the inactive time of the control planedata transmission exceeds a set time;

allowing for no setup of any UE bearer when a connection is established;

allowing for no setup of a UE access stratum security context, andallowing for no encryption of an access stratum;

allocating IOT resources for an IOT service of the UE;

not allowing for handover;

supporting the setup of a non-GBR bearer only, and rejecting the setupof a GBR bearer;

maintaining, by the radio access network node, a connection to the UEand Uu port resources when all radio bearers of the UE are removed; and

allocating NB IOT resources when the accessed radio network technologytype is an NB IOT; and/or

when the IOT behavior of the UE is user plane optimization, the radioaccess network node performs at least one of the following IOT userplane optimization behavior controls:

transmitting data via a user plane bearer;

suspending and resuming a context of the UE as required;

allocating IOT resources for the IOT service of the UE;

not allowing for handover;

supporting the setup of a non-GBR bearer only, and rejecting the setupof a GBR bearer;

making the accessed radio network technology type be an NB IOT; and

allocating IOT resources; and/or

when one of the following is determined: the IOT behavior of the UE isresource optimization, the IOT behavior of the UE is IOT, the servicetype of a UE bearer is resource optimization and the service type of theUE bearer is IOT, the radio access network node performs at least one ofthe following IOT resource optimization behavior controls: making theaccessed radio network technology type be an NB IOT;

allocating IOT resources for the IOT service of the UE;

not allowing for handover; and

supporting the setup of a non-GBR bearer only, and rejecting the setupof a GBR bearer; and/or

when the IOT behavior of the UE is user plane non-optimization or S1-Udata transmission, the radio access network node performs at least oneof the following IOT S1 data transmission behavior controls:transmitting data via a user plane, allocating IOT resources for the IOTservice of the UE, not allowing for handover, supporting the setup of anon-GBR bearer only, and rejecting the setup of a GBR bearer; and/or

when the IOT behavior of the UE is short-message data transmission, theradio access network node performs at least one of the following IOTshort-message behavior controls: transmitting data via a short message,allocating IOT resources for the IOT service of the UE, not allowing forhandover, supporting the setup of a non-GBR bearer only, and rejectingthe setup of a GBR bearer; and/or

when it is determined that the data bearer of the UE is non-IP, theradio access network node does not perform UE IP compression.

The present application further provides an equipment for controlling anIOT service behavior, comprising an information receiving module and abehavior control module, wherein:

the information receiving module is configured to receive an IOTbehavior of a UE determined by a first node; and

the behavior control module is configured to perform a corresponding IOTservice behavior control on the UE according to the IOT behavior of theUE.

The present application further provides a method for selecting a corenetwork node, comprising the following steps of:

acquiring, by a radio access network node, IOT capacity informationand/or IOT preference information from a second node; and

selecting, by the radio access network node, a matched core network nodefor a UE according to the acquired IOT capacity information and/or IOTpreference information.

Preferably, the selecting a matched core network node for a UE comprisesat least one of the following:

selecting a core network node supporting the IOT preference informationof the UE;

selecting a core network node supporting the IOT capacity information ofthe UE and the IOT preference information of the UE;

selecting a core network node supporting the IOT capacity information ofthe UE but not supporting the IOT preference information of the UE:selecting a core network node supporting the IOT capacity information ofthe UE if there is no core network node supporting the IOT preferenceinformation of the UE;

selecting a core network node supporting a part of the IOT capacity ofthe UE: selecting a core network node supporting a part of the IOTcapacity of the UE if there is no core network node supporting all ofthe IOT capacity of the UE;

selecting a core network node supporting the IOT capacity information ofthe radio access network; and

selecting a core network node supporting a part of the IOT capacityinformation of the radio access network.

The present application further provides an equipment for selecting acore network node, comprising an information acquisition module and amatching module, wherein:

the information acquisition module is configured to acquire, from asecond node, IOT capacity information and/or IOT preference information;and

the matching module is configured to select a matched core network nodefor a UE according to the acquired IOT capacity information and/or IOTpreference information.

It can be seen from the technical solutions that, by distinguishing theIOT capacity information and IOT preference information of a UE, a radioaccess network node and a core network node, and determining the IOTresource optimization and IOT data transmission mode of the UE, theoverhead for signaling resources can be effectively reduced and theutilization ratio of resources can improved, so that it is favorable fora huge number of IOT equipments to access a network.

It can be seen from the technical solutions that, by distinguishing theIOT capacity information and IOT preference information of a UE, a radioaccess network node and a core network node, and determining the IOTresource optimization and IOT data transmission mode of the UE, theoverhead for signaling resources can be effectively reduced and theutilization ratio of resources can improved, so that it is favorable fora huge number of IOT equipments to access a network.

BRIEF DESCRIPTION OF THE DRAWINGS

FIG. 1 is a schematic diagram of an existing SAE system architecture;

FIG. 2 is a schematic flowchart of a first method for determining an IOTservice according to the present invention;

FIG. 3 is a schematic flowchart of a method for controlling an IOTservice behavior according to the present invention;

FIG. 4 is a schematic flowchart of a second method for determining anIOT service according to the present invention;

FIG. 5 is a schematic flowchart of a method for selecting a core networknode according to the present invention;

FIG. 6 is a schematic flowchart of a third method for determining an IOTservice according to the present invention;

FIG. 7 is a schematic flowchart of signaling interaction according toEmbodiment 1 of the present invention;

FIG. 8 is a schematic flowchart of signaling interaction according toEmbodiment 2 of the present invention;

FIG. 9 is a schematic flowchart of signaling interaction according toEmbodiment 3 of the present invention;

FIG. 10 is a schematic flowchart of signaling interaction according toEmbodiment 4 of the present invention;

FIG. 11 is a schematic flowchart of signaling interaction according toEmbodiment 5 of the present invention;

FIG. 12 is a schematic flowchart of signaling interaction according toEmbodiment 6 of the present invention;

FIG. 13 is a schematic flowchart of signaling interaction according toEmbodiment 7 of the present invention;

FIG. 14 is a schematic diagram of a composition structure of a preferredequipment for determining an IOT service according to the presentinvention;

FIG. 15 is a schematic diagram of a composition structure of a preferredequipment for controlling an IOT service behavior according to thepresent invention; and

FIG. 16 is a schematic diagram of a composition structure of a preferredequipment for selecting a core network node according to the presentinvention.

DETAILED DESCRIPTION

In order to satisfy the communication requirements for a UE having asmall volume of data and a low cost (e.g., Internet Of Thing (IOT)equipments of coverage enhancement (CE), low cost (LC) and Machine TypeCommunication (MTC)), a communication service of a Cellular IOT (CIOT)is provided. The data for the CIOT can be carried on a control plane(e.g., a Non-Access Stratum Protocol Data Unit (NAS PDU), or carried ona user plane (e.g., a UE bearer). For a CIOT communication service,since the volume of data is small, a base station allocates IOTresources (e.g., narrowband resources) rather than wideband resources. Aratio access network technology for the IOT resource allocation iscalled as NB IOT. The radio access network node only supporting the NBIOT does not support handover and a Guaranteed Bit Rate (GBR) bearer.When a UE only supporting the NB IOT accesses to a network, the UE maynot request a UE bearer (e.g., a radio bearer, an EPS bearer or a PDNconnection) for establishing a task. A core network node can support theCIOT only, or support control plane CIOT optimization only, or supportuser plane CIOT optimization only.

The control plane CIOT optimization means that the data of a UE iscarried on a control plane, e.g., an NAS PDU. In this case, it is notrequired to establish a UE bearer in a radio access network node, nor toestablish a radio security context in a radio access network.

The user plane CIOT optimization means that a UE context is suspendedwhen there is no data transmission requirement for a UE, while the UEcontext is resumed when there is data transmission requirement for theUE, so that the signaling overhead is saved.

The UE supporting the NB IOT will inform a core network of the supportedCIOT capacity and the preferred CIOT communication service. Meanwhile,the core network node acquires the capacity of a radio access network,and then informs, according to the capacity of the core network node,the UE of whether to support a CIOT service or a CIOT service determinedfor the UE.

At present, there are the following possibilities:

1) the radio access network node/core network node/UE may have not onlythe NB IOT capacity;2) the radio access network node/core network node/UE supports the NBIOT, but does not necessarily support the user plane CIOT serviceoptimization; and3) the radio access network node/core network node/UE supports the NBIOT, but does not necessarily support the control plane CIOT serviceoptimization.

There are still the following problems in the prior art.

Problem 1:

When the UE supports not only the NB IOT, the UE may establish both aCIOT service or other services. When the CIOT service is carried on acontrol plane, that is, when the control plane CIOT optimization isimplemented, other services are still carried on UE bearers. When otherUE bearers are removed, in accordance with the existing requirements, aconnection to the UE is to be released, and air interface resources areto be released. However, if there is still a CIOT service at this time,the service will be interrupted. Actually, the CIOT service allows theUE to not establish any UE bearer.

When the radio access network node supports not only the NB IOT and theUE also supports not only the NB IOT, the radio access network node doesnot know whether a handover process can be triggered for the UE. If theUE is performing a non-CIOT service, the radio access network node canhand over the UE when the handover requirements are satisfied; however,when the UE is performing a CIOT service, the radio access network willnot handover the UE in any case.

When the radio access network node supports not only the NB IOT and theUE also supports not only the NB IOT, it is possible for the UE torequest a CIOT service or request a non-CIOT service, and the basestation does not know whether to allocate narrowband resources orwideband resources.

When the radio access network node supports not only the NB IOT and theUE also supports not only the NB IOT, the UE requests a CIOT service,which can preferentially be control plane CIOT optimization, user planeCIOT optimization or user plane CIOT non-optimization. For the controlplane CIOT optimization, a radio security context is not required; whilefor the user plane CIOT optimization, when the UE is inactive over aperiod of time (for example, there is no data on a UE bearer), the radioaccess network node will request the core network node to suspend the UEcontext. However, due to the lack of related information, the radioaccess network node cannot determine an appropriate behavior.

The NB IOT capacity and the CIOT capacity can be two kinds of capacity.

Problem 2: When the core network node supports a CIOT only, or supportscontrol plane CIOT optimization only or supports user plane CIOToptimization only, and when the UE requests a CIOT service, the radioaccess network does not know the preference of the CIOT service of theUE and how to select a core network node although the radio accessnetwork node knows the NB IOT service of the UE.

Problem 3: It is unclear how the radio access network acquires thecapacity of the UE and the capacity of the core network node.

Problem 4: It is unclear how the core network node acquires the capacityof the radio access network node.

To make the objectives, technical solutions and advantages of thepresent application clearer, the present application will be furtherdescribed below in details by embodiments with reference to theaccompanying drawings.

The IOT mentioned hereinafter refers to a CIOT or an NB IOT.

The IOT control plane can also be called as IOT control planeoptimization, that is, data is carried on the control plane, forexample, NAS PDU.

The IOT user plane can also be called as IOT user plane optimization, orcomprise IOT user plane non-optimization and IOT user planeoptimization. The IOT user plane optimization is a process of carryingdata on a UE bearer in the user plane and optimizing the signaling, forexample, suspending and resuming a UE context replacing the release andsetup of a connection respectively (that is, the UE context is suspendedwhen the connection should be released, and the UE context is resumedwhen the connection should be established), so that the signaling duringthe setup of a connection to the UE is saved. The IOT user planenon-optimization is that the data is carried on a UE bearer in the userplane but no optimization is performed. The IOT user planenon-optimization is also called as a S1-U data transmission or UE radiobear transmission mode.

The radio access network node can be a base station, an eNB, a NodeB ormore.

The core network node can be an MME, an SGSN or more.

FIGS. 2 and 3 show the determination of an IOT service behavior of a UEby a core network node.

FIG. 2 is a schematic flowchart of a first method for determining an IOTservice according to the present invention, comprising the followingsteps.

Step 201: By a core network node, IOT capacity information and/or IOTpreference information of other nodes is acquired.

Optionally, the CIOT capacity information and/or IOT preferenceinformation at least comprises one of the following: related informationabout the IOT capacity supported by a UE/a radio access network node/acore network node, and related information about the IOT preference ofthe UE/the radio access network node/the core network node. In someimplementations, the IOT preference is a preferred or requested IOTservice. Wherein, “the IOT capacity supported by the UE/the radio accessnetwork node/the core network node” is the abbreviation of “the IOTcapacity supported by the UE, the IOT capacity supported by the radioaccess network node and the IOT capacity supported by the core networknode”. Other similar descriptions herein will be interpreted in theabove way.

In some implementations, the core network node acquires, from at leastone of the UE, the radio access network node and other core networknodes, IOT capacity information and/or IOT preference information.

In some implementations, the IOT capacity information and/or IOTpreference information can be carried in one or more of the followingmessages: an RRC connection setup request, an RRC connection setup, anRRC connection setup completion, an RRC connection resume request, anRRC connection resume completion, an initial UE message, an uplink NAStransport, a UE context resume request, a paging message, a broadcastmessage, and an S1 interface setup request.

Optionally, the IOT capacity information supported by the UE/the radioaccess network node/the core network node is whether the UE/the radioaccess network node/the core network node support the IOT capacity.Optionally, the IOT capacity of the UE can comprise one or more or anintersection of more of the following:

capacity of non-IOT;

IOT resource optimization capacity (e.g., capacity for accessing anarrowband resource) or IOT data transmission optimization capacity;

IOT radio capacity, or IOT core network capacity;

IOT control plane capacity, IOT user plane capacity, IOT S1-U datatransmission capacity or IOT short-message data transmission capacity;and

supported radio access technology type.

Optionally, the supported radio access technology type comprises one ormore of the following: a radio access technology supporting an IOT only(e.g., NB IOT), a radio access network technology not supporting an NBIOT (e.g., WB EUTRAN wideband), and a radio access network technologysupporting not only an IOT (e.g., supporting also the NB IOT and the WBEUTRAN).

In some implementations, the IOT capacity can comprise one or more ofthe following: the capacity for accessing the non-IOT radio accesstechnology (e.g., WB EUTRAN), non-IOT resource allocation capacity(e.g., wideband resource allocation capacity), and S1-U datatransmission capacity.

In some implementations, the IOT is further classified into an NB IOTand a CIOT, which can have different capabilities. For example, the NBIOT focuses on the resource allocation optimization (e.g., narrowbandresource allocation), while the CIOT focuses on the data transmissionoptimization, for example, optimization carried on the control plane oroptimization of data carried on the user plane.

In some implementations, the IOT resource optimization capacity cancomprise one or more of the following: IOT resource allocation, nothanding over the UE, and a non-GBR bearer. The IOT data transmissionoptimization can comprise one or more of the following: IOT controlplane data transmission optimization capacity, IOT user plane datatransmission optimization capacity, and IOT short-message datatransmission optimization capacity. In the present application, theresources involved in the IOT resources comprise but are not limited tonarrowband resources.

In some implementations, the IOT capacity can further contain IOT radiocapacity and IOT core network capacity.

In some implementations, the IOT capacity can further contain IOTcontrol plane capacity and IOT user plane capacity.

In some implementations, the IOT control plane capacity is also calledas IOT control plane optimization or IOT control plane optimization datatransmission capacity, in which the data is carried on the controlplane, for example, an NAS PDU, a tunnel between an MME and an SGW.Optionally, the IOT control plane capacity can comprise one or more ofthe following: data transmission via a control plane (e.g., an NAS PDU,a tunnel between an MME and an SGW), no access stratum security context,allowing for no UE bearer when in a connected state, allowing to notrelease Uu port resources when removing all UE bearers, IOT resourceallocation, not handing over the UE, and a non-GBR bearer.

In some implementations, the IOT control plane capacity can furthercontain IOT control plane radio capacity and IOT control plane corenetwork capacity.

In some implementations, the IOT user plane capacity is also called asIOT user plane optimization capacity or IOT user plane optimization datatransmission capacity. The IOT user plane optimization capacity or IOTuser plane optimization data transmission capacity is a process ofcarrying data on the user plane and optimizing the signaling, forexample, suspending and resuming a UE context replacing the release andsetup of a connection respectively, so that the signaling required forthe setup of a connection to the UE is saved. The IOT user planecapacity can comprise one or more of the following: data transmissionvia a user plane, resuming to no access stratum security context when aconnection is established or there is data transmission requirement, IOTresource allocation, not handing over the UE, and a non-GBR bearer.

In some implementations, the IOT user plane capacity can further containIOT user plane radio capacity and IOT user plane core network capacity.

In some implementations, the IOT S1-U data transmission capacity canalso be called as IOT user plane non-optimization data transmissioncapacity, which is a way of carrying IOT data on the user plane withouta signaling optimization process.

In some implementations, the IOT user plane capacity comprises IOT userplane optimization data transmission capacity and IOT user planenon-optimization data transmission capacity. The IOT user planeoptimization data transmission capacity and the IOT user planenon-optimization data transmission capacity are described above and willnot be repeated here.

In some implementations, the IOT short-message transmission capacity iscarrying data in a short message, for example, a short message, and atunnel between an MME and an SGW.

Optionally, the IOT preference information of the UE/the radio accessnetwork node/the core network node is an IOT behavior preferred orrequested by the UE/the radio access network node/the core network node.Optionally, the IOT behavior can comprise one or more or an intersectionof more of the following:

access to an IOT, or access to a non-IOT (e.g., WB EUTRAN);

IOT control plane, or IOT user plane, preferred IOT short-messagetransmission or S1-U data transmission, where the IOT user plane canfurther be classified into IOT user plane optimization and CIOT userplane non-optimization;

IOT resource optimization (e.g., an access narrowband resourceallocation mode) or IOT data transmission optimization (e.g., an IOTcontrol plane or user plane data transmission mode); and

preferentially accessed radio access technology type. The preferentiallyaccessed radio access technology type can comprise one or more of thefollowing: preferentially accessed IOT radio access network technology(e.g., NB IOT) and preferentially accessed non-IOT radio access networktechnology (e.g., WB EUTRAN). In some implementations, thepreferentially accessed IOT radio access network technology refers topreferred IOT resource allocation optimization, for example, narrowbandresource allocation.

In some implementations, the IOT is further classified into an NB IOTand a CIOT, which can be different. For example, the NB IOT focuses onthe resource allocation optimization (e.g., narrowband resourceallocation), while the CIOT focuses on the data transmissionoptimization, for example, optimization carried on the control plane oroptimization of data carried on the user plane.

In some implementations, the access to a non-IOT can comprise one ormore of the following: a radio access technology for accessing to anon-IOT (e.g., WB EUTRAN), a non-IOT resource allocation mode (e.g., awideband resource allocation mode), and an S1-U data transmission mode.

In some implementations, the IOT resource allocation optimization cancomprise one or more of the following: IOT resource allocation, theradio access technology type being an NB IOT, not handing over the UE, anon-GBR bearer, or rejecting a GBR bearer.

In some implementations, the IOT can further contain an IOT controlplane and an IOT user plane.

In some implementations, the IOT control plane is also called as IOTcontrol plane optimization or IOT control plane optimization datatransmission, in which the data is carried on the control plane, forexample, an NAS PDU, a tunnel between an MME and an SGW. Optionally, theIOT control plane can comprise one or more of the following: datatransmission via a control plane (e.g., an NAS PDU, a tunnel between anMME and an SGW), no access stratum security context, allowing for no UEbearer when in a connected state, allowing to not release Uu portresources when removing all UE bearers, IOT resource allocation, theradio access technology type being an NB IOT, not handing over the UE,and allowing for a non-GBR bearer only/rejecting a GBR bearer.

In some implementations, the IOT user plane is also called as IOT userplane optimization or IOT user plane optimization data transmission. TheIOT user plane optimization or IOT user plane optimization datatransmission is a process of carrying data on the user plane andoptimizing the signaling, for example, suspending and resuming a UEcontext replacing the release and setup of a connection respectively, sothat the signaling required for the setup of a connection to the UE issaved. Optionally, the IOT user plane can comprise one or more of thefollowing: data transmission via a user plane, resuming to no accessstratum security context when a connection is established or there isdata transmission requirement, IOT resource allocation, the radio accesstechnology type being an NB IOT, not handing over the UE, and allowingfor a non-GBR bearer only/rejecting a GBR bearer.

In some implementations, the IOT S1-U data transmission can also becalled as IOT user plane non-optimization data transmission, which is away of carrying IOT data on the user plane without a signalingoptimization process. The IOT S1-U data transmission can comprise one ormore of the following: data transmission via a user plane, IOT resourceallocation, the radio access technology type being an NB IOT, nothanding over the UE, and allowing for a non-GBR bearer only/rejecting aGBR bearer.

In some implementations, the IOT user plane comprises IOT user planeoptimization data transmission and IOT user plane non-optimization datatransmission. The IOT user plane optimization data transmission and theIOT user plane non-optimization data transmission are described aboveand will not be repeated here.

In some implementations, the preferred IOT short-message is carryingCIOT service data in a short message, and can also be called as an IOTshort-message data transmission mode. The IOT short-message data cancomprise one or more of the following: data transmission via a shortmessage, IOT resource allocation, the radio access technology type beingan NB IOT, not handing over the UE, and allowing for a non-GBR beareronly/rejecting a GBR bearer.

Optionally, the IOT preference implies the IOT capacity required forsupporting the IOT preference.

Optionally, preferentially accessed non-IOT can support at least one ofthe following capacities: radio access technology (e.g., WB EUTRAN)capacity for accessing to the non-IOT, non-IOT resource allocationcapacity (e.g., wideband resource allocation capacity), and S1-U datatransmission capacity.

Optionally, the preferentially accessed radio access network typecomprises one or more of the following: a radio access networksupporting an IOT only, a radio access network not supporting an IOT(e.g., supporting WB EUTRAN), and a radio access network supporting anIOT and others (e.g., EUTRAN).

In some implementations, the preferred IOT control plane/IOT controlplane optimization/IOT control plane data transmission can support atleast one of the following IOT capacities: IOT control plane capacity,IOT control plane radio capacity, IOT control plane core networkcapacity, IOT capacity, IOT radio capacity, IOT core network capacity,and supported IOT radio access network capacity.

In some implementations, the preferred IOT user plane can support atleast one of the following IOT capacities: IOT user plane capacity, IOTuser plane radio capacity, IOT user plane core network capacity, IOTcapacity, IOT radio capacity, IOT core network capacity, and supportedradio access technology type containing IOT.

In some implementations, the preferred IOT user plane optimization/IOTuser plane optimization/IOT user plane optimization data transmissioncan support at least one of the following IOT capacities: IOT user planecapacity, IOT user plane radio capacity, IOT user plane core networkcapacity, IOT user plane optimization capacity, IOT user planeoptimization radio capacity, IOT user plane optimization core networkcapacity, IOT user plane non-optimization capacity, IOT, IOT radiocapacity, IOT core network capacity, and supported radio accesstechnology type containing IOT.

In some implementations, the preferred user planenon-optimization/preferred IOT user non-optimization datatransmission/preferred IOT S1-U data transmission can support at leastone of the following IOT capacities: user plane non-optimizationcapacity, S1-U data transmission capacity, IOT capacity, IOT radiocapacity, IOT core network capacity, and supported radio accesstechnology type containing IOT.

The preferred optimization resource allocation/NB IOT/IOT can support atleast one of the following IOT capacities: IOT resource optimizationcapacity, IOT capacity, IOT radio capacity, IOT core network capacity,and supported radio access technology type containing IOT. Optionally,the IOT here refers to an NB IOT.

The preferred optimization data transmission/CIOT/IOT can support atleast one of the following IOT capacities: IOT data transmissionoptimization capacity, IOT capacity, IOT radio capacity, IOT corenetwork capacity, and supported radio access technology type NB IOT.Optionally, the IOT here refers to a CIOT.

The preferred IOT short-message/IOT short-message data transmission cansupport at least one of the following IOT capacities: IOT short-messagecapacity, IOT capacity, IOT radio capacity, IOT core network capacity,and supported radio access technology type containing IOT.

Step 202: By the core network node, an IOT service behavior of a UE isdetermined according to the acquired IOT capacity information and/or IOTpreference information. Unless otherwise specified, the “IOT servicebehavior” and the “IOT behavior” in the present application have thesame meaning.

In some implementations, the determined IOT behavior of the UE iscarried in IOT service behavior information of the UE and thentransmitted to the radio access network node and/or the UE.

In some implementations, the IOT service behavior information determinedby the core network node is also called as a supported IOT behavior inthe network.

In some implementations, the determining an IOT behavior of a UEcomprises: determining, by the core network node and according to theIOT capacity of the UE, the radio access network node and the corenetwork node, an IOT behavior of the UE supported by the three.

IOT behaviors supported by the IOT capacity are as follows:

the capacity of non-IOT at least supports one of the following IOTbehaviors: a non-IOT resource allocation behavior, wideband resourceallocation information, access to a non-IOT radio access networktechnology, and S1-U data transmission mode;

the IOT resource optimization capacity at least supports one of thefollowing IOT behaviors: an IOT resource optimization behavior and anIOT resource allocation behavior;

the IOT data transmission optimization capacity at least supports one ofthe following IOT behaviors: IOT data transmission optimization and anIOT resource allocation behavior;

the IOT control plane capacity at least supports one of the followingIOT behaviors: IOT control plane optimization and an IOT resourceallocation behavior;

the IOT user plane capacity at least supports one of the following IOTbehaviors: IOT user plane optimization and an IOT resource allocationbehavior;

the IOT S1-U data transmission capacity at least supports one of thefollowing IOT behaviors: S1-U data transmission and an IOT resourceallocation behavior; and

the IOT short-message transmission capacity at least supports one of thefollowing IOT behaviors: IOT short-message data transmission and an IOTresource allocation behavior.

In some implementations, the IOT preference information comprises: anIOT behavior preferred or requested by the UE; and, the determining anIOT behavior of a UE comprises:

using, by the core network node, the IOT behavior preferred or requestedby the UE as an IOT behavior of the UE, when all of the UE, the radioaccess network node and the core network node support the IOT behaviorpreferred or requested by the UE; and

using, by the core network node, at least one IOT behavior supported bythe UE, the radio access network node and the core network node as anIOT behavior of the UE, when the radio access network node or the corenetwork node does not support the IOT behavior preferred or requested bythe UE.

In some implementations, the core network node can further acquire IOTsubscription information of the UE; and, the determining an IOT behaviorof a UE comprises: determining, by a first node and according to the IOTcapacity of the UE, the radio access network node and the core networknode and the IOT subscription information of the UE, an IOT behavior ofthe UE, which is supported by all of the UE, the radio access networknode and the core network node and allowed to access by the IOTsubscription information of the UE.

In some implementations, the IOT preference information comprises: anIOT behavior preferred or requested by the UE; and, the determining anIOT behavior of a UE comprises: using, by the first node, the IOTbehavior preferred or requested by the UE as an IOT behavior of the UE,when all of the UE, the radio access network node and the core networknode support the IOT behavior preferred or requested by the UE and thesubscription information of the UE allows the IOT behavior preferred orrequested by the UE; and, using, by the first node, at least one IOTbehavior, which is supported by all of the UE, the radio access networknode and the core network node and is allowed by the IOT subscriptioninformation of the UE, as an IOT behavior of the UE, when the radioaccess network node or the core network node does not support the IOTbehavior preferred or requested by the UE or the IOT subscriptioninformation of the UE does not allow the IOT behavior preferred orrequested by the UE.

Optionally, the IOT subscription information comprises: an allowed IOTbehavior and/or disallowed IOT behavior; and, the IOT subscriptioninformation is IOT subscription information of the UE within a currentPLMN, and the IOT subscription information of the UE within differentPLMNs is identical or different. The IOT behavior is described as in thestep 201 and will not be repeated here.

In some implementations, the IOT service behavior information of the UEis IOT service behavior information determined by the core network nodeaccording to the IOT capacity of the UE, the radio access network nodeand the core network node and the IOT preference of the UE. For example,when all of the UE, the radio access network node and the core networknode support the IOT behavior preferred by the UE, the IOT behaviorpreferred by the UE is determined as an IOT behavior of the UE; and,when the radio access network node or the core network node does notsupport the IOT behavior preferred by the UE, an IOT behavior supportedby all of the UE, the radio access network node and the core networknode is selected.

In other implementations, the IOT service behavior information of the UEis a supported IOT service behavior of the UE determined by the corenetwork node according to the IOT capacity of the UE, the radio accessnetwork node and the core network node. For example, when both the UEand the radio access network node supports the resource optimizationcapacity and the service for the UE is determined as an IOT service, thecore network node can determine resource allocation for optimization ofdata of the IOT service of the UE, for example, narrowband resourceallocation.

In some implementations, the IOT service behavior information of the UEcan be carried in one or more of the following message: a pagingmessage, a broadcast message, an initial context setup request, adownlink NAS transport message, a UE context resume response, an RRCreconfiguration, a downlink information transmission, a bearer releasecommand, and a UE radio capacity.

Optionally, the IOT service behavior information of the UE contains oneor more of the following: PLMN information, IOT behavior information, UEbearer information, an IP header compression indication, a service type,Uu resource release information, resource allocation information,handover information, access stratum security context information, andGBR information.

Optionally, the PLMN information refers to a list of PLMN identifiersallowed by the determined IOT service.

Optionally, the IOT behavior information is the IOT behavior describedas in the step 201 and will not be repeated here.

Optionally, the UE bearer information can further comprise one or moreof the following: UE bearer identifier, a data type, a service type, Uuresource release information, resource allocation information, handoverinformation, access stratum security context information, and GBRinformation.

Optionally, the IP header compression indication contains an indicationof whether to perform IP header compression or is embodied by a datatype. The data type comprises IP and non-IP. In some implementations,the IP header compression indication or the data type is informationspecific to UE bearers. In other words, each UE bearer needs to indicatea data type. When it is determined that the data bearer of the UE isnon-IP, the IP compression is not performed for the UE. In someimplementations, the IP header compression indication or the data typeis information specific to the UE. In other words, if all the data ofthe UE is IP data, IP header compression is to be performed; or, if allthe data of the UE is non-IP data, IP header compression is not to beperformed. In some implementations, the IP header compression indicationor the data type is information specific to data packets. In otherwords, whether to perform IP header compression is determined accordingto whether the data packets are IP data.

Optionally, the service type comprises one or more of the following:whether it is an IOT, whether it is IOT control plane optimization, andwhether it is IOT user plane optimization. In some implementations, theservice type is information specific to UE bearers. In other words, eachUE bearer needs to indicate a service type, indicating whether thecarried data is IOT data. In some implementations, the service type isinformation specific to data packets. In other words, each transmitteddata packet indicates a service type, indicating whether the data is IOTdata.

Optionally, the Uu resource release information can comprise one or moreof the following: whether to release Uu resources, and whether tomaintain a UE connection when there is no UE bearer.

Optionally, the resource allocation information can comprise one or moreof the following: whether to allocate IOT resources (e.g., narrowbandresources), whether to allocate wideband resources, and whether toperform resource optimization.

Optionally, the handover information can comprise one or more of thefollowing: whether to allow to hand over the UE.

Optionally, the access stratum security context information comprisesone or more of the following: whether the access stratum securitycontext is required, whether to encrypt an access stratum, and whetherto encrypt the user plane.

Optionally, the GBR bearer information comprises one or more of thefollowing: not allowing/rejecting to establish a GBR bearer, andallowing to establish a non-GBR bearer only.

Optionally, the UE radio capacity comprises the IOT capacity of the UE.When the UE radio capacity is contained, it is indicated that the IOTbehavior is IOT control plane optimization.

FIG. 3 is a schematic flowchart of a method for controlling an IOTservice behavior according to the present invention, comprising thefollowing steps.

Step 301: By a radio access network node, an IOT behavior of a UE isacquired.

Optionally, the IOT service behavior information of the UE is describedas in the step 202 and will not be repeated here.

In some implementations, the radio access network node acquires, from acore network node or a UE, the IOT service behavior information of theUE determined by the core network node, and the IOT service behaviorinformation of the UE is carried with the IOT behavior of the UEdetermined by the core network node.

In some implementations, the UE receives the IOT service behaviorinformation transmitted by the core network node and then forwards theIOT service behavior information to the radio access network node.

Step 302: By the radio access network node, an IOT service behaviorcontrol is performed on the UE according to the IOT service behaviorinformation of the UE.

Optionally, the IOT service behavior control on the UE is consistentwith the content indicated by the IOT service behavior information ofthe UE.

In some implementations, when the determined IOT service behavior of theUE is access to non-IOT, the radio access network node can perform oneor more of the following non-IOT behavior controls:

allocating wideband resources (i.e., the existing resource allocationmode) or non-IOT resources for the UE;

reconfiguring wideband resources (i.e., the existing resource allocationmode) or non-IOT resources for the UE if the UE transmits a requestbefore the access to an IOT; and

transmitting data via S1-U.

In some implementations, when the determined IOT service behavior of theUE is control plane optimization, the radio access network node canperform one or more of the following IOT control plane optimizationbehavior controls:

transmitting data via a control plane;

releasing Uu when monitoring that the inactive time of the control planedata transmission exceeds a set time;

allowing for no setup of any UE bearer when a connection is established;

allowing for no setup of a UE access stratum security context, andallowing for no encryption of an access stratum;

allocating IOT resources for an IOT service of the UE;

not allowing for handover;

supporting the setup of a non-GBR bearer only, and rejecting the setupof a GBR bearer;

maintaining, by the radio access network node, a connection to the UEand Uu port resources when all radio bearers of the UE are removed; and

allocating NB IOT resources when the accessed radio network technologytype is an NB IOT.

In some implementations, when the determined IOT service behavior of theUE is user plane optimization, the radio access network node can performone or more of the following IOT user plane optimization behaviorcontrols:

transmitting data via a user plane bearer;

suspending and resuming a context of the UE as required (for example,according to the data transmission demand of the UE or the setup andrelease of a UE connection);

allocating IOT resources for an IOT service of the UE;

not allowing for handover;

supporting the setup of a non-GBR bearer only, and rejecting the setupof a GBR bearer;

making the accessed radio network technology type be an NB IOT; and

allocating IOT resources.

In some implementations, when one of the following is determined:

the IOT service behavior of the UE is resource optimization,

the IOT service behavior of the UE is IOT,

the service type of a UE bearer is resource optimization, and

the service type of the UE bearer is IOT,

the radio access network node can perform one or more of the followingIOT resource optimization behavior controls:

making the accessed radio network technology type be an NB IOT;

allocating IOT resources for an IOT service of the UE;

not allowing for handover; and

supporting the setup of a non-GBR bearer only, and rejecting the setupof a GBR bearer. For example, when the IOT service of the UE is carriedon the user plane, for a UE bearer carrying the IOT service, IOTresources are allocated for this bearer. When the IOT service of the UEis carried on the control plane, IOT resources are allocated for asignaling bearer mapped by the control plane.

In some implementations, when the determined IOT service behavior of theUE is user plane non-optimization or S1-U data transmission, the radioaccess network node can perform one or more of the following IOT S1 datatransmission behavior controls: transmitting data via a user plane,allocating IOT resources for the IOT service of the UE, not allowing forhandover, supporting the setup of a non-GBR bearer only, and rejectingthe setup of a GBR bearer.

In some implementations, when the determined IOT service behavior of theUE is short-message data transmission, the radio access network node canperform one or more of the following IOT short-message behaviorcontrols: transmitting data via a short message, allocating IOTresources for the IOT service of the UE, not allowing for handover,supporting the setup of a non-GBR bearer only, and rejecting the setupof a GBR bearer.

In some implementations, when it is determined that the data bearer ofthe UE is non-IP, the IP compression is not performed for the UE.

FIG. 4 is a schematic flowchart of a second method for determining anIOT service according to the present invention. This flow showsdetermination of an IOT service behavior of a UE by a radio accessnetwork node, and comprises the following steps.

Step 401: By a radio access network node, IOT capacity informationand/or IOT preference information of other nodes and/or IOT subscriptioninformation of a UE is acquired.

Optionally, the IOT capacity information and/or IOT preferenceinformation is described as in the step 201 and will not be repeatedhere.

Optionally, the IOT subscription information of the UE is described asin the step 202 and will not be repeated here.

In some implementations, the radio access network node acquires, from atleast one of a core network node, the UE and other radio access networknodes, the IOT capacity information and/or IOT preference informationand/or the IOT subscription information of the UE.

Step 402: By the radio access network node, an IOT behavior of the UE isdetermined according to the acquired IOT capacity information and/or IOTpreference information and/or the acquired IOT subscription informationof the UE.

The process in the step 402 is consistent with the process ofdetermining an IOT service of the UE according to the acquired IOTcapacity information and/or IOT preference information and/or theacquired IOT subscription information of the UE in the step 202, andwill not be repeated here.

In some implementations, the radio access network node transmits thedetermined IOT behavior of the UE to the UE and/or the core networknode.

FIG. 5 is a schematic flowchart of a method for selecting a core networknode according to the present invention. This flow shows the selectionof a core network node by a radio access network node, and comprises thefollowing steps.

Step 501: By a radio access network node, IOT capacity informationand/or IOT preference information of other nodes are acquired.

Optionally, the IOT capacity information and/or IOT preferenceinformation is described as in the step 201 and will not be repeatedhere.

In some implementations, the radio access network node acquires, from atleast one of a core network node, a UE and other radio access networknodes, the IOT capacity information and/or IOT preference information.

Step 502: By the radio access network node, an appropriate (i.e.,matched) core network node is selected for a UE according to theacquired IOT capacity information and/or IOT preference information.

Optionally, a method for selecting a core network node can comprise oneor more or an intersection of more of the following:

selecting a core network node supporting the IOT preference informationof the UE;

selecting a core network node supporting the IOT capacity information ofthe UE and the IOT preference information of the UE;

selecting a core network node supporting the IOT capacity information ofthe UE but not supporting the IOT preference information of the UE, andin some implementations, selecting a core network node supporting theIOT capacity information of the UE if there is no core network nodesupporting the IOT preference information of the UE;

selecting a core network node supporting a part of the IOT capacity ofthe UE, and in some implementations, selecting a core network nodesupporting a part of the IOT capacity of the UE if there is no corenetwork node supporting all of the IOT capacity of the UE;

selecting a core network node supporting the IOT capacity information ofthe radio access network; and

selecting a core network node supporting a part of the IOT capacityinformation of the radio access network.

Optionally, the IOT capacity information and IOT preference informationof the UE/the radio access network node/the core network node aredescribed as in the step 201 and will not be repeated here.

FIG. 6 is a schematic flowchart of a third method for determining an IOTservice according to the present invention. This flow shows thedetermination of an IOT service behavior of a UE by the UE, andcomprises the following steps.

Step 601: By a UE, IOT capacity information and/or IOT preferenceinformation of other nodes and/or IOT subscription information of the UEis acquired.

Optionally, the IOT capacity information and/or IOT preferenceinformation is described as in the step 201 and will not be repeatedhere.

Optionally, the IOT subscription information of the UE is described asin the step 202 and will not be repeated here.

In some implementations, the UE acquires, from a core network node,other UEs or other radio access network nodes, the IOT capacityinformation and/or IOT preference information.

Step 602: By the UE, IOT preference information or an IOT behavior ofthe UE is determined according to the acquired ITO capacity informationand/or IOT preference information and the acquired IOT subscriptioninformation of this UE.

Optionally, the IOT preference information of this UE is described as inthe step 201 and will not be repeated here.

Optionally, the IOT behavior of this UE is described as in the step 202and will not be repeated here.

In some implementations, the UE transmits the determined IOT preferenceinformation and/or the supported IOT capacity or IOT behavior of this UEto the radio access network node or the core network node.

Optionally, a method for determining, by the UE, IOT preferenceinformation or an IOT behavior of this UE can comprise one or more or anintersection of more of the following:

IOT information subscripted by the UE;

IOT capacity supported by the UE;

IOT capacity supported by the core network node; and

IOT capacity supported by the radio access network node.

FIG. 7 is a schematic flowchart of Embodiment 1 according to the presentinvention. The IOT capacity information and/or IOT preferenceinformation and/or IOT subscription information mentioned hereinafter isdescribed as in the step 201, and the IOT service behavior informationof the UE hereinafter is described as in the step 201 and will not berepeated here. This method comprises the following steps.

Step 701: By a UE, an RRC connection setup request message is initiated.Optionally, this message is carried with the IOT capacity informationand/or IOT preference information and/or IOT subscription information ofthe UE.

Step 702: By a radio access network node, an RRC connection setupmessage is returned to the UE. Optionally, this message is carried withthe IOT capacity information and/or IOT preference information and/orIOT subscription information of a core network node or the radio accessnetwork node.

Step 703: By the UE, an RRC connection setup completion message istransmitted to a base station. Optionally, this message is carried withthe IOT capacity information and/or IOT preference information and/orIOT subscription information of the UE.

Step 704: By the radio access network node, a core network node isselected for the UE, and an initial UE message or an uplink NAStransport message is transmitted to the core network node.

Optionally, the radio access network node selects a core network nodefor the UE according to the acquired IOT capacity information and/or IOTpreference information and/or IOT subscription information. The specificprocess is described as in the step 502.

Optionally, this message is carried with the IOT capacity informationand/or IOT preference information and/or IOT subscription information ofboth the UE and the core network node.

Step 705: By the core network node, an IOT service behavior of the UE isdetermined according to the acquired IOT capacity information and/or IOTpreference information. The specific process is described as in the step202.

When the data transmission through control plane optimization isdetermined or there are no other non-IOT data requests, the core networknode can transmit a downlink NAS transport message to the radio accessnetwork node. Optionally, this message is carried with the determinedIOT service behavior information of the UE.

Step 706: By the radio access network node, a downlink informationtransmission message is transmitted to the UE. Optionally, this messageis carried with the determined IOT service behavior information of theUE. The IOT service behavior information is specifically described as inthe step 202.

Step 707: Optionally, by the UE, an uplink information transmissionmessage is transmitted to the radio access network node.

Step 708: Optionally, by the radio access network node, an uplink NAStransport message is transmitted to the core network node.

FIG. 8 is a schematic flowchart of signaling interaction according toEmbodiment 2 of the present invention. The IOT capacity informationand/or IOT preference information and/or IOT subscription informationmentioned hereinafter is described as in the step 202, and the IOTservice behavior information of the UE hereinafter is described as inthe step 201 and will not be repeated here. This method comprises thefollowing steps.

Steps 801 to 804 are consistent with the steps 701 to 704 and will notbe repeated here.

Step 805: By the core network node, an IOT service behavior of the UE isdetermined according to the IOT capacity information and/or IOTpreference information and/or IOT subscription information. The specificprocess is described as in the step 202.

When the data transmission through user plane optimization is determinedor there are other non-IOT data requests, the core network node cantransmit an initial context setup request message to the radio accessnetwork node. Optionally, this message is carried with the determinedIOT service behavior information of the UE.

Step 806: By the radio access network node, an RRC reconfigurationmessage is transmitted to the UE. Optionally, this message is carriedwith the determined IOT service behavior information of the UE.

Step 807: By the UE, an RRC reconfiguration completion message isreturned to the radio access network node.

Step 808: By the radio access network node, an initial context setupresponse message is transmitted to an MME.

Step 809: When there is no data transmission requirement or the UE isinactive overtime, a UE context suspension request message istransmitted to the core network node by the radio access network node.

Step 810: By the core network node, an S1-U bearer is removed for anSGW, a UE context is suspended, and a response indicating the expirationof the UE context is returned to the UE.

Step 811: By the radio access network node, a suspension request istransmitted to the UE.

Step 812: By the UE, the UE context is suspended, a suspension responseis returned to the radio access network node, and a UE connection isreleased.

Step 813: Optionally, by the radio access network node, a UE contextsuspension completion is transmitted to the core network node.

FIG. 9 is a schematic flowchart of signaling interaction according toEmbodiment 3 of the present invention. The IOT capacity informationand/or IOT preference information and/or IOT subscription informationmentioned hereinafter is described as in the step 201, and the IOTservice behavior information of the UE hereinafter is described as inthe step 202 and will not be repeated here. This method comprises thefollowing steps.

Step 901: By a UE, an RRC connection setup request message/an RRCconnection resume request message/an RRC connection setup requestmessage is transmitted to a radio access network node. Optionally, thismessage is carried with the IOT capacity information and/or IOTpreference information and/or IOT subscription information of the UE.

Step 902: By the radio access network node, an RRC connection setup/RRCconnection resume/RRC connection reestablishment message is returned tothe UE. Optionally, this message is carried with the IOT capacityinformation and/or IOT preference information and/or IOT subscriptioninformation of a core network node or the radio access network node.

Step 903: By the UE, an RRC connection setup completion message/an RRCconnection resume completion/an RRC connection reestablishmentcompletion message is transmitted to a base station. Optionally, thismessage is carried with the IOT capacity information and/or IOTpreference information and/or IOT subscription information of the UE.

Step 904: By the radio access network node, a core network node isselected for the UE, and an initial UE message/an uplink NAS transportmessage/a resume request message is transmitted to the core networknode.

Optionally, the radio access network node selects a core network nodefor the UE according to the acquired IOT capacity information and/or IOTpreference information and/or IOT subscription information. The specificprocess is described as in the step 502.

Optionally, this message is carried with the IOT capacity informationand/or IOT preference information and/or IOT subscription information ofboth the UE and the core network node.

Step 905: By the core network node, an IOT service behavior of the UE isdetermined according to the IOT capacity information and/or IOTpreference information and/or IOT subscription information. The specificprocess is described as in the step 202.

The core network node transmits an initial context setup requestmessage/a downlink NAS transport message/a resume response message istransmitted to the radio access network node. Optionally, this messageis carried with the determined IOT service behavior information of theUE.

Step 906: By the radio access network node, a downlink informationtransmission message/an RRC reconfiguration message is transmitted tothe UE. Optionally, this message is carried with the determined IOTservice behavior information of the UE. The IOT service behaviorinformation of the UE is specifically described as in the step 202.

Step 907: Optionally, by the UE, an uplink information transmissionmessage/an RRC reconfiguration completion message is transmitted to theradio access network node.

Step 908: Optionally, by the radio access network node, an initialcontext setup response message/an uplink NAS transport message/a UEcontext resume completion message is transmitted to the core networknode.

FIG. 10 is a schematic flowchart of signaling interaction according toEmbodiment 4 of the present invention. The IOT capacity informationand/or IOT preference information and/or IOT subscription informationmentioned hereinafter is described as in the step 201, and the IOTservice behavior information of the UE hereinafter is described as inthe step 202 and will not be repeated here. This method comprises thefollowing steps.

Step 1001: By a core network node, a downlink data notification about aUE is received. The core network node transmits a paging message aboutthe UE to a radio access network node.

Optionally, this message is carried with the IOT capacity informationand/or IOT preference information and/or IOT subscription information ofthe radio access network node or the core network node. Optionally, thismessage is carried with the determined IOT service behavior informationof the UE.

Step 1002: By the radio access network node, the paging message istransmitted to the UE.

Optionally, this message is carried with one or more of the followinginformation: the IOT capacity information and/or IOT preferenceinformation and/or IOT subscription information of the radio accessnetwork node or the core network node, and the determined IOT servicebehavior information of the UE. The UE can determine IOT informationpreferred by the UE according to the received information.

Steps 1003 to 1010 are consistent with the steps 901 to 908 and will notbe repeated here.

FIG. 11 is a schematic flowchart of signaling interaction according toEmbodiment 5 of the present invention. The IOT capacity informationand/or IOT preference information and/or IOT subscription informationmentioned hereinafter is described as in the step 201, and the IOTservice behavior information of the UE hereinafter is described as inthe step 202 and will not be repeated here. This method comprises thefollowing steps.

Step 1101: By a radio access network node, a UE bearer release requestis transmitted to a core network node.

Step 1102: By the core network node, a UE bearer release command messageis transmitted to the radio access network node. Optionally, thismessage is carried with the determined IOT service behavior informationof the UE. When the IOT service behavior information indicates IOTcontrol plane optimization, and when all bearers of the UE are removed,resources at a Uu port are still allowed to be reserved or a UEconnection is still allowed to be maintained.

Step 1103: By the radio access network node, an RRC reconfigurationmessage is transmitted to a Uu, and corresponding UE bearers areremoved. Optionally, this message is carried with the determined IOTservice behavior information of the UE. When the IOT service behaviorinformation indicates IOT control plane optimization, and when allbearers of the UE are removed, resources at the Uu port are stillallowed to be reserved or a UE connection is still allowed to bemaintained.

Step 1104: By the UE, an RRC reconfiguration completion is returned tothe radio access network node.

Step 1105: By the radio access network node, a UE bearer releasecompletion is transmitted to the core network node.

FIG. 12 is a schematic flowchart of signaling interaction according toEmbodiment 6 of the present invention. The IOT capacity informationand/or IOT preference information and/or IOT subscription informationmentioned hereinafter is described as in the step 201, and the IOTservice behavior information of the UE hereinafter is described as inthe step 202 and will not be repeated here. This method comprises thefollowing steps.

Step 1201: By a radio access network node, an S1 interface setup requestmessage is transmitted to a core network node. Optionally, this messageis carried with the IOT capacity information and/or IOT preferenceinformation and/or IOT subscription information of the radio accessnetwork.

Step 1202: By the core network node, an 51 interface setup responsemessage is transmitted to the radio access network node.

Optionally, this message is carried with the IOT capacity informationand/or IOT preference information and/or IOT subscription information ofthe radio access network.

FIG. 13 is a schematic flowchart of signaling interaction according toEmbodiment 7 of the present invention. The IOT capacity informationand/or IOT preference information and/or IOT subscription informationmentioned hereinafter is described as in the step 201, and the IOTservice behavior information of the UE hereinafter is described as inthe step 202 and will not be repeated here. This method comprises thefollowing steps.

Steps 1301 to 1305 are consistent with the steps 901 to 906 and will notbe repeated here.

Step 1306: By the radio access network node, an IOT service behaviorcontrol is performed according to the received IOT service behaviorinformation, as described in step 302. When the determined IOT servicebehavior of the UE is access to non-IOT, the radio access network nodecan perform one or more of the following non-IOT behavior controls:

allocating wideband resources (i.e., the existing resource allocationmode) or non-IOT resources for the UE;

reconfiguring wideband resources (i.e., the existing resource allocationmode) or non-IOT resources for the UE if the UE transmits a requestbefore the access to an IOT; and

transmitting data via S1-U.

Step 1307: A downlink information transmission message/an RRCreconfiguration message is transmitted to the UE. Optionally, thismessage is carried with the determined IOT service behavior informationof the UE. The IOT service behavior information of the UE isspecifically described as in the step 202. A base station configures orreconfigures wideband resources for the UE.

Step 1308: Optionally, by the UE, an uplink information transmissionmessage/an RRC reconfiguration completion message is transmitted to theradio access network node.

Step 1309: Optionally, by the radio access network node, an initialcontext setup response message/an uplink NAS transport message/a UEcontext resume completion message is transmitted to the core networknode.

Corresponding to the above methods, the present application furtherprovides an equipment for determining an IOT service. FIG. 14 shows acomposition structure diagram of the equipment. This equipmentcomprises: an information acquisition module and a processing module,wherein:

the information acquisition module is configured to acquire, from asecond node, IOT capacity information and/or IOT preference informationand/or IOT subscription information; and

the processing module is configured to determine an IOT behavior of a UEaccording to the acquired IOT capacity information and/or IOT preferenceinformation and/or IOT subscription information.

Corresponding to the above methods, the present application furtherprovides an equipment for controlling an IOT service behavior, as shownin FIG. 15, comprising an information receiving module and a behaviorcontrol module, wherein:

the information receiving module is configured to receive an IOTbehavior of a UE determined by a first node; and

the behavior control module is configured to perform a corresponding IOTservice behavior control on the UE according to the IOT behavior of theUE.

Corresponding to the above methods, the present application furtherprovides an equipment for selecting a core network node, as shown inFIG. 16, comprising an information acquisition module and a matchingmodule, wherein:

the information acquisition module is configured to acquire, from asecond node, IOT capacity information and/or IOT preference informationand/or subscription information; and

the matching module is configured to select a matched core network nodefor a UE according to the acquired IOT capacity information and/or IOTpreference information and/or IOT subscription information.

It can be seen from the technical solutions that, by distinguishing theIOT capacity information and IOT preference information of a UE, a radioaccess network node and a core network node, and determining the IOTresource optimization and IOT data transmission mode of the UE, theoverhead for signaling resources can be effectively reduced and theutilization ratio of resources can improved, so that it is favorable fora huge number of IOT equipments to access a network.

The above description merely shows preferred embodiments of the presentinvention and is not intended to limit the present invention. Anymodification, equivalent replacement or improvement made within thespirit and principle of the present invention shall fall into theprotection scope of the present invention.

1. A method for determining an Internet Of Things (IOT) service,comprising the following steps of: acquiring, by a first node, IOTcapacity information and/or IOT preference information; and determining,by the first node, an IOT behavior of a User Equipment (UE) according tothe acquired IOT capacity information and/or IOT preference information.2. The method according to claim 1, wherein: the IOT capacityinformation and/or IOT preference information acquired by the first nodecomprises: an IOT capacity of the UE, a radio access network node and acore network node; and the determining an IOT behavior of a UEcomprises: using, by the first node and according to the IOT capacity ofthe UE, the radio access network node and the core network node, an IOTbehavior supported by all of the UE, the radio access network node andthe core network node as an IOT behavior of the UE.
 3. The methodaccording to claim 2, wherein: the IOT preference information comprises:an IOT behavior preferred or requested by the UE; and the determining anIOT behavior of a UE comprises: using, by the first node, the IOTbehavior preferred or requested by the UE as an IOT behavior of the UE,when all of the UE, the radio access network node and the core networknode support the IOT behavior preferred or requested by the UE; andusing, by the first node, at least one IOT behavior supported by all ofthe UE, the radio access network node and the core network node as anIOT behavior of the UE, when the radio access network node or the corenetwork node does not support the IOT behavior preferred or requested bythe UE.
 4. The method according to claim 2, wherein: the method furthercomprises: acquiring, by the first node, IOT subscription information ofthe UE; and the determining an IOT behavior of a UE comprises: using, bythe first node and according to the IOT capacity of the UE, the radioaccess network node and the core network node and the IOT subscriptioninformation of the UE, an IOT behavior, which is supported by all of theUE, the radio access network node and the core network node and allowedto access by the IOT subscription information of the UE, as an IOTbehavior of the UE.
 5. The method according to claim 4, wherein: the IOTpreference information comprises: an IOT behavior preferred or requestedby the UE; and the determining an IOT behavior of a UE comprises: using,by the first node, the IOT behavior preferred or requested by the UE asan IOT behavior of the UE, when all of the UE, the radio access networknode and the core network node support the IOT behavior preferred orrequested by the UE and the subscription information of the UE allowsthe IOT behavior preferred or requested by the UE; and using, by thefirst node, at least one IOT behavior, which is supported by all of theUE, the radio access network node and the core network node and isallowed by the IOT subscription information of the UE, as an IOTbehavior of the UE, when the radio access network node or the corenetwork node does not support the IOT behavior preferred or requested bythe UE or the IOT subscription information of the UE does not allow theIOT behavior preferred or requested by the UE.
 6. The method accordingto claim 4, wherein: the IOT subscription information comprises: anallowed IOT behavior and/or disallowed IOT behavior; and the IOTsubscription information is IOT subscription information of the UEwithin a current public land mobile network (PLMN), and the IOTsubscription information of the UE within different PLMNs is identicalor different.
 7. The method according to claim 2, wherein: the firstnode is a core network node, and the core network node acquires the IOTcapacity information and/or IOT preference information from at least oneof the following nodes: a UE, a radio access network node, and a corenetwork node other than the first node; or the first node is a radioaccess network node, and the radio access network node acquires the IOTcapacity information and/or IOT preference information from at least oneof the following nodes: a UE, a core network node, and a radio accessnetwork node other than the first node; or the first node is a UE, andthe UE acquires the IOT capacity information and/or IOT preferenceinformation from at least one of the following nodes: a radio accessnetwork node, a core network node, and a UE other than the first node.8. The method according to claim 2, wherein: the method furthercomprises: by the first node, carrying the determined IOT behavior ofthe UE in IOT service behavior information of the UE and thentransmitting the IOT service behavior information of the UE to a thirdnode; when the first node is a core network node, the third node is a UEand/or a radio access network node; when the first node is a radioaccess network node, the third node is a UE and/or a core network node;and when the first node is a UE, the third node is a radio accessnetwork node and/or a core network node.
 9. The method according toclaim 2, wherein: the IOT capacity comprises at least one of thefollowing: IOT resource optimization capacity, IOT data transmissionoptimization capacity, IOT radio capacity, IOT core network capacity,IOT control plane capacity, IOT user plane capacity, IOT S1-U datatransmission capacity, IOT short-message capacity, and supported radioaccess technology type.
 10. The method according to claim 9, wherein:the IOT resource optimization capacity comprises at least one of thefollowing: IOT resource allocation, not handing over the UE, and anon-Guaranteed Bit Rate (GBR) bearer; and/or the IOT data transmissionoptimization capacity comprises at least one of the following: IOTcontrol plane data transmission optimization capacity, IOT user planedata transmission optimization capacity, and IOT short-message datatransmission optimization capacity; and/or the IOT control planecapacity comprises at least one of the following: data transmission viaa control plane, no access stratum security context, allowing for no UEbearer when in a connected state, allowing to not release Uu portresources when removing all UE bearers, IOT resource allocation, nothanding over the UE, and a non-GBR bearer; and/or the IOT user planecapacity comprises at least one of the following: data transmission viaa user plane, resuming to no access stratum security context when aconnection should be established or there is data transmissionrequirement, IOT resource allocation, not handing over the UE, and anon-GBR bearer; and/or the IOT S1-U data transmission capacity is IOTuser plane non-optimization data transmission capacity; and/or the IOTshort-message capacity is carrying data in a short message; and/or thesupported radio access technology type comprises at least one of thefollowing: a radio access network technology supporting an IOT only, aradio access network technology not supporting a Narrow Band Internet OfThings (NB IOT), and a radio access network technology supporting notonly an IOT.
 11. The method according to claim 10, wherein: the IOTbehavior comprises at least one of the following: access to an IOT,access to a non-IOT, IOT control plane optimization, IOT user planeoptimization, IOT short-message data transmission, S1-U datatransmission, IOT resource optimization, IOT data transmissionoptimization, and accessed radio access technology type.
 12. The methodaccording to claim 11, wherein: IOT behaviors supported by the IOTcapacity are as follows: the non-IOT at least supports one of thefollowing IOT behaviors: a non-IOT resource allocation behavior,wideband resource allocation information, access to a non-IOT radioaccess network technology, and an S1-U data transmission mode; the IOTresource optimization capacity at least supports one of the followingIOT behaviors: an IOT resource optimization behavior and an IOT resourceallocation behavior; the IOT data transmission optimization capacity atleast supports one of the following IOT behaviors: IOT data transmissionoptimization and an IOT resource allocation behavior; the IOT controlplane capacity at least supports one of the following IOT behaviors: IOTcontrol plane optimization and an IOT resource allocation behavior; theIOT user plane capacity at least supports one of the following IOTbehaviors: IOT user plane optimization and an IOT resource allocationbehavior; the IOT S1-U data transmission capacity at least supports oneof the following IOT behaviors: S1-U data transmission and an IOTresource allocation behavior; the IOT short-message transmissioncapacity at least supports one of the following IOT behaviors: IOTshort-message data transmission and an IOT resource allocation behavior;and the supported radio access technology type at least supports thefollowing IOT behavior: accessed radio access technology type.
 13. Themethod according to claim 11, wherein: the IOT control planeoptimization comprises at least one of the following: data transmissionvia a control plane, no access stratum security context, allowing for noUE bearer when in a connected state, allowing to not release Uu portresources when removing all UE bearers, IOT resource allocation, theradio access technology type being an NB IOT, not handing over the UE,allowing for a non-GBR bearer only, and rejecting a GBR bearer; and/orthe IOT user plane optimization comprises at least one of the following:data transmission via a user plane, resuming to no access stratumsecurity context when a connection is established, resuming to no accessstratum security context when there is data transmission requirement,IOT resource allocation, the radio access technology type being an NBIOT, not handing over the UE, allowing for a non-GBR bearer only, andrejecting a GBR bearer; and/or the S1-U data transmission comprises atleast one of the following: data transmission via a user plane, IOTresource allocation, the radio access technology type being an NB IOT,not handing over the UE, allowing for a non-GBR bearer only, andrejecting a GBR bearer; and/or the IOT short-message data transmissionmode comprises at least one of the following: data transmission via ashort message, IOT resource allocation, the radio access technology typebeing an NB IOT, not handing over the UE, allowing for a non-GBR beareronly, and rejecting a GBR bearer; and/or the IOT resource optimizationcomprises at least one of the following: IOT resource allocation, theradio access technology type being an NB IOT, not handing over the UE, anon-GBR bearer, and rejecting a GBR bearer; and/or the preferentiallyaccessed radio access network type comprises at least one of thefollowing: a radio access network supporting an IOT only, a radio accessnetwork not supporting an IOT, and a radio access network supporting anIOT and others.
 14. The method according to claim 8, wherein: the IOTservice behavior information of the UE contains at least one of thefollowing: PLMN information, IOT behavior information, UE bearerinformation, an Internet Protocol (IP) header compression indication, aservice type, Uu resource release information, resource allocationinformation, handover information, access stratum security contextinformation, and GBR information; and the PLMN information refers to alist of PLMN identifiers allowed by the determined IOT service.
 15. Anequipment for determining an IOT service, comprising an informationacquisition module and a processing module, wherein: the informationacquisition module is configured to acquire, from a second node, IOTcapacity information and/or IOT preference information; and theprocessing module is configured to determine an IOT behavior of a UEaccording to the acquired IOT capacity information and/or IOT preferenceinformation.